Description: This function allows the user to define or modify the selected property.
Usage:
1. DSI prompts the user to select a property.
• Select a property by picking an element or property name of a property.
2. After the user selects a property, DSI displays a definition card for editing the element property and prompts:
> SECTION ID (X) IS SELECTED
3. DSI displays the user-defined properties in a table. The user may manually modify the properties and/or their values in the definition card.